C#:DNS HostName查询

static void Main(string[] args) { if (args.Length != 1) { Console.WriteLine("Usage: DnsLoopup hostname/IP Address"); return; } IPHostEntry ipHostEntry = Dns.GetHostEntry(args[0]); Console.WriteLine("Host : {0}", ipHostEntry.HostName); if (ipHostEntry.Aliases.Length > 0) { Console.WriteLine("/nAliases:"); foreach (string alias in ipHostEntry.Aliases) { Console.WriteLine(alias); } } Console.WriteLine("/nAddress(es):"); foreach (IPAddress addr in ipHostEntry.AddressList) { Console.WriteLine("Address: {0}", addr.ToString()); } }